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For most leagues, the fantasy football playoffs are either beginning or will be very soon. If your league still allows pickups, that means you've still got some work to do.

Whether you're hoping for a playoff upgrade or playing spoiler for someone looking to do so, here's our best Week 13 waiver wire pickups.

Quarterback: Marcus Mariota, Tennessee Titans
Mariota has been terrific for the past month, when he's averaged 18.5 points per game in standard scoring leagues. Take out a stinker against a Carolina Panthers defense that might be the best in the NFL, and that number rises to 22.3 points per contest. Mariota owners will be licking their chops when they realize the rookie QB has Jacksonville up next on his schedule.

Other quarterbacks to add: Jay Cutler, Chicago Beats; Jameis Winston, Tampa Bay Buccaneers

Running Back: Shaun Draughn, San Francisco 49ers
In three games as San Francisco's lead running back, Draughn has added a decent wrinkle to the offense. While he hasn't topped 58 yards rushing or found the end zone yet, he has caught 17 passes for 108 yards -- or 27 extra points in PPR leagues. He faces a mediocre Chicago Bears defense in Week 13.

Other running backs to add: Theo Riddick, Detroit Lions; Brandon Bolden, New England Patriots.

Wide Receiver: Anquan Boldin, San Francisco 49ers
OK, not to harp on the 49ers here, but it appears new quarterback Blaine Gabbert has taken a liking to Boldin. The 35-year-old receiver has put up back-to-back 93-point performances, and he's bound to find the endzone eventually. He gets the Bears and the Cleveland Browns in his next two contests.

Other receivers to add: Dontrelle Inman, San Diego Chargers; Doug Baldwin, Seattle Seahawks

Tight End: Julius Thomas, Jacksonville Jaguars
Thomas has found the endzone in back-to-back games, putting up a terrific nine-catch, 116-yard performance in Week 12. He's still out there in about 40 percent of leagues and doesn't face a particularly difficult defense (aside from a banged-up Cincinnati Bengals) the rest of the way. With Allen Hurns injured and possibly out, Thomas' targets will only increase.

Other tight ends to add: Scott Chandler, Patriots; Crockett Gilmore, Baltimore Ravens

Thumbnail photo via Christopher Hanewinckel/USA TODAY Sports Images